Re: Too much power sent to fan, easy or hard fix?

Thank you, I'd not heard of an EC fan but I think you're correct it is. I drew this picture, I'm not sure how much it will help. I opened the junction box on the outside of the fan and this is all I saw... which then goes into the fan motor which I can't figure out how to disassemble.

Finding out what an EC fan is I do think that's what it is. From my research, connecting a 12v fan to 24v the fan should've spun fast and made a lot of noise and will burn out in short order so I would've unplugged it real quick. This...

I bought an AC Infinity Cloudline T4 fan a few years ago ($120) that uses a temperature probe, the fan uses pwm, and has done great for my solar air heater I have. The programmable controller even allows 2 separate fans to be plugged in. I wanted to also bring the air to another area so bought another the other day. Same model, same company, they looked identical, I would later find out just how much they aren't.

So I plugged my old and new fan into the new controller (since it has 2 ports for 2 fans) turned it on and my old fan has never worked again. Looking at the fans, even...

Re: New Members - please post your introductions here

Hello, I'm from Massachusetts with no experience. I think I burned something out, and hoping to have someone tell me if it's something simple or not before I send to a repair shop.